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https://issues.apache.org/jira/browse/SPARK-56757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yicong Huang resolved SPARK-56757.
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Fix Version/s: 4.3.0
Resolution: Fixed
Issue resolved by pull request 55756
[https://github.com/apache/spark/pull/55756]
> Refactor SQL_SCALAR_PANDAS_ITER_UDF
> -----------------------------------
>
> Key: SPARK-56757
> URL: https://issues.apache.org/jira/browse/SPARK-56757
> Project: Spark
> Issue Type: Sub-task
> Components: PySpark
> Affects Versions: 4.2.0
> Reporter: Yicong Huang
> Assignee: Yicong Huang
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.3.0
>
>
> Refactor SQL_SCALAR_PANDAS_ITER_UDF to use ArrowStreamSerializer as pure I/O,
> moving the iterator scalar Pandas UDF logic from
> ArrowStreamPandasUDFSerializer into worker.py. The wrapper function handles
> the Pandas iterator protocol so read_udfs() can be self-contained.
> Part of SPARK-55388.
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